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Software Architecture in Java: Design & Development

Develop the Data Access Tier

Explore how to develop the data access tier for one-to-many bi-directional relationships using Hibernate in Java. Understand implementing CRUD operations with test-driven methods and learn how to use Hibernate Session methods for efficient data management.

We'll cover the following...

Next, we will take a look at the data access tier. We will start with the test case for the “get all records” method.

Find all records operation

Java
@RunWith( SpringJUnit4ClassRunner.class )

@ContextConfiguration( locations = { "classpath:context.xml" } )

@TransactionConfiguration( defaultRollback = true )

@Transactional

public class ItemDaoImplTest {

	@Autowired

	private ItemDao dao;

	@Test

	public void testGetAll() {

		Assert.assertEquals(0L, dao.getAll().size());

	}

}

We will learn how to write the emulating data access operation for the test directly above. The Hibernate 4 Session.createQuery method is used with SQL to retrieve all the ...